macvlan: allow multiple driver backends

[deliverable/linux.git] / include / linux / if_macvlan.h

diff --git a/include/linux/if_macvlan.h b/include/linux/if_macvlan.h
index 5f200bac37496ea2d92a1b52fb8bf347b9f7f748..9a11544bb0b19955ef1dcc034e34bf8ad95531aa 100644 (file)
--- a/include/linux/if_macvlan.h
+++ b/include/linux/if_macvlan.h
@@ -1,6 +1,76 @@
 #ifndef _LINUX_IF_MACVLAN_H
 #define _LINUX_IF_MACVLAN_H
 
+#include <linux/if_link.h>
+#include <linux/list.h>
+#include <linux/netdevice.h>
+#include <linux/netlink.h>
+#include <net/netlink.h>
+
+struct macvlan_port;
+struct macvtap_queue;
+
+/**
+ *     struct macvlan_rx_stats - MACVLAN percpu rx stats
+ *     @rx_packets: number of received packets
+ *     @rx_bytes: number of received bytes
+ *     @multicast: number of received multicast packets
+ *     @rx_errors: number of errors
+ */
+struct macvlan_rx_stats {
+       unsigned long rx_packets;
+       unsigned long rx_bytes;
+       unsigned long multicast;
+       unsigned long rx_errors;
+};
+
+struct macvlan_dev {
+       struct net_device       *dev;
+       struct list_head        list;
+       struct hlist_node       hlist;
+       struct macvlan_port     *port;
+       struct net_device       *lowerdev;
+       struct macvlan_rx_stats *rx_stats;
+       enum macvlan_mode       mode;
+       int (*receive)(struct sk_buff *skb);
+       int (*forward)(struct net_device *dev, struct sk_buff *skb);
+};
+
+static inline void macvlan_count_rx(const struct macvlan_dev *vlan,
+                                   unsigned int len, bool success,
+                                   bool multicast)
+{
+       struct macvlan_rx_stats *rx_stats;
+
+       rx_stats = per_cpu_ptr(vlan->rx_stats, smp_processor_id());
+       if (likely(success)) {
+               rx_stats->rx_packets++;;
+               rx_stats->rx_bytes += len;
+               if (multicast)
+                       rx_stats->multicast++;
+       } else {
+               rx_stats->rx_errors++;
+       }
+}
+
+extern int macvlan_common_newlink(struct net *src_net, struct net_device *dev,
+                                 struct nlattr *tb[], struct nlattr *data[],
+                                 int (*receive)(struct sk_buff *skb),
+                                 int (*forward)(struct net_device *dev,
+                                                struct sk_buff *skb));
+
+extern void macvlan_count_rx(const struct macvlan_dev *vlan,
+                            unsigned int len, bool success,
+                            bool multicast);
+
+extern void macvlan_dellink(struct net_device *dev, struct list_head *head);
+
+extern int macvlan_link_register(struct rtnl_link_ops *ops);
+
+extern netdev_tx_t macvlan_start_xmit(struct sk_buff *skb,
+                                     struct net_device *dev);
+
+
 extern struct sk_buff *(*macvlan_handle_frame_hook)(struct sk_buff *);
 
 #endif /* _LINUX_IF_MACVLAN_H */